Eastshine via Amazon offers its Eastshine S2 Universal Battery Charger for $9.09 with free shipping via the below directions. That's $29 off list price and the best deal we could find. It features an LCD display and compatibility with a wide range rechargeable batteries, including AA, AAA, and a number of Li-ion batteries. To get this deal:
  1. View the Eastshine S2 Universal Battery Charger for $18.95
  2. add it to your cart via Subscribe & Save
  3. apply coupon code "47OFF2SD" for a final price of $9.09
Note: Remember to cancel your subscription once your order arrives to avoid being billed for subsequent shipments.